416 TrafficKnow before you go

Daily Maintenance on HWY 404 Southbound Off-ramp at MAJOR MACKENZIE DRIVE, Markham-Richmondhill .

Construction · Mon, May 11, 2026 – Tue, May 12, 2026

Quick facts

Location
At MAJOR MACKENZIE DRIVE
Start date
Mon, May 11, 2026 · 8:00 AM
End date
Tue, May 12, 2026 · 2:00 PM
Lanes affected
1 Left(with HOV) Lane(s)
Severity
Heavy

What's affected

HWY 404 (Southbound) at MAJOR MACKENZIE DRIVE is impacted by construction work. Expect impact to 1 Left(with HOV) Lane(s).

Suggested detour: Woodbine Avenue and Leslie Street are the practical alternates but add 20–30 min through Markham and Richmond Hill.

Same-day events

Plan ahead